Home / 2,379.04-3,558.48-1,722.40

Finding the Fourth Proportional to 2,379.04, 3,558.48 and 1,722.40

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Solution

The fourth proportional to 2,379.04, 3,558.48 and 1,722.40 is: 2,576.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,379.04 : 3,558.48 = 1,722.40 : x
  2. Step 2: Convert to fraction form
    2,379.04/3,558.48 = 1,722.40/x
  3. Step 3: Cross multiply
    2,379.04x = 3,558.48 × 1,722.40
  4. Step 4: Simplify right side
    2,379.04x = 6,129,125.95
  5. Step 5: Solve for x
    x = 6,129,125.95/2,379.04
  6. Step 6: Final answer
    x = 2,576.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.